tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_test_aria_hidden_iframe.js (3448B)

      1 /* Any copyright is dedicated to the Public Domain.
      2 * http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 /* import-globals-from ../../mochitest/role.js */
      7 loadScripts({ name: "role.js", dir: MOCHITESTS_DIR });
      8 
      9 /**
     10 * Verify loading an iframe document with aria-hidden specified on the root element
     11 * correctly hides the root element and its content. This test is meaninfully
     12 * different from testIframeDocument which tests aria-hidden specified on the
     13 * body element.
     14 */
     15 addAccessibleTask(
     16  `hello world`,
     17  async function testIframeRootDocument(browser) {
     18    info("Loading iframe document");
     19    const HIDDEN_IFRAME_URI =
     20      "data:text/html,<html id='new_html' aria-hidden='true'><body id='iframeBody'><u>hello world</u></body></html>";
     21    const loaded = waitForEvent(EVENT_DOCUMENT_LOAD_COMPLETE, "iframeBody");
     22    await SpecialPowers.spawn(
     23      browser,
     24      [DEFAULT_IFRAME_ID, HIDDEN_IFRAME_URI],
     25      (_id, _uri) => {
     26        content.document.getElementById(_id).src = _uri;
     27      }
     28    );
     29    await loaded;
     30 
     31    const tree = {
     32      INTERNAL_FRAME: [
     33        {
     34          DOCUMENT: [],
     35        },
     36      ],
     37    };
     38    const root = getRootAccessible(document);
     39    const iframeDoc = findAccessibleChildByID(root, DEFAULT_IFRAME_ID);
     40    testAccessibleTree(iframeDoc, tree);
     41  },
     42  {
     43    chrome: false,
     44    topLevel: false,
     45    iframe: true,
     46    remoteIframe: true,
     47  }
     48 );
     49 
     50 /**
     51 * Verify loading an iframe doc with aria-hidden doesn't render the document.
     52 * This test ONLY tests iframe documents, it should not run in tab docs.
     53 * There is a separate test for tab docs in browser_test_aria_hidden.js.
     54 */
     55 addAccessibleTask(
     56  `
     57  <p id="content">I am some content in a document</p>
     58  `,
     59  async function testIframeDocument(browser, docAcc, topLevel) {
     60    const originalTree = { DOCUMENT: [{ INTERNAL_FRAME: [{ DOCUMENT: [] }] }] };
     61    testAccessibleTree(topLevel, originalTree);
     62  },
     63  {
     64    chrome: false,
     65    topLevel: false,
     66    iframe: true,
     67    remoteIframe: true,
     68    iframeDocBodyAttrs: { "aria-hidden": "true" },
     69  }
     70 );
     71 
     72 /**
     73 * Verify adding aria-hidden to iframe doc elements removes
     74 * their subtree. This test ONLY tests iframe documents, it
     75 * should not run in tab documents. There is a separate test for
     76 * tab documents in browser_test_aria_hidden.js.
     77 */
     78 addAccessibleTask(
     79  `
     80  <p id="content">I am some content in a document</p>
     81  `,
     82  async function testIframeDocumentMutation(browser, docAcc, topLevel) {
     83    const originalTree = {
     84      DOCUMENT: [
     85        {
     86          INTERNAL_FRAME: [
     87            {
     88              DOCUMENT: [
     89                {
     90                  PARAGRAPH: [
     91                    {
     92                      TEXT_LEAF: [],
     93                    },
     94                  ],
     95                },
     96              ],
     97            },
     98          ],
     99        },
    100      ],
    101    };
    102 
    103    testAccessibleTree(topLevel, originalTree);
    104    info("Adding aria-hidden=true to content doc");
    105    await contentSpawnMutation(
    106      browser,
    107      { expected: [[EVENT_REORDER, docAcc]] },
    108      function () {
    109        const b = content.document.body;
    110        b.setAttribute("aria-hidden", "true");
    111      }
    112    );
    113    const newTree = {
    114      DOCUMENT: [
    115        {
    116          INTERNAL_FRAME: [
    117            {
    118              DOCUMENT: [],
    119            },
    120          ],
    121        },
    122      ],
    123    };
    124    testAccessibleTree(topLevel, newTree);
    125  },
    126  { chrome: false, topLevel: false, iframe: true, remoteIframe: true }
    127 );